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McLeod, Donald / History of Wiskonsan, from its first discovery to the present period, including a geological and topographical description of the territory with a correct catalogue of all its plants
(1846)

Chapter XIV,   pp. 235-254 PDF (3.3 MB)


Page 242


HISTORY OF WISKONSAN.
with a view to its improvement, remarks; "Judging
fiom observations on the ground, unaided by the level
between the head waters of Rock river, and those
which seek the southern extremit! of lake Winnebago,
it is inferred that a canal might be opened, so as to
draw water from the lake, as a reservoir into the
river."  The accuracy of this opinion is established by
facts stated in different reports of the same officer.
The level of Roclk river, at a point some distance
below JohnsonDs rapids, is stated to be one hundred
and eighty feet above lake Michigan; add to this the
falls at Johnson's rapids, 47.893 feet, and at Huste's
rapids, 6.925 feet; and suppose the river to have an
average descent of six inches a mile below these
rapids, or 38.625 feet; the elevation, at the mouth of
Doty's river, will be two hundred and seventy-three
feet. But in another report, the level of lake Winne-
bago is stated at one hundred and sixty feet above the
level of lake Michigan; so that to make its waters
accessible to Rock river, a cut of more than one hun-
dred feet deep, extending from the lake to nearly the
Illinois state line, must be excavated. From Doty's
river to the foot of Winnebago marsh, the water is
deep. the current gentle, and often divided into two or
more channels; from thence to the head of Huste's
rapids, the channel is no where less than three feet
and a half deep, and its average width from one hun-
dred and flfty to two hundred feet, with a silent cur-
rent; from Huste's to Peck's rapids, several sand bars
obstruct the navigation, which a trifle will remove.
From the head of Peck's to the foot of Johnson's rap-
ids, there is a descent of 67.896 feet, in a distance of


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